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X-IronPort-AV: E=McAfee;i="6600,9927,10924"; a="398002823" X-IronPort-AV: E=Sophos;i="6.04,277,1695711600"; d="scan'208";a="398002823" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Dec 2023 17:30:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10924"; a="750754256" X-IronPort-AV: E=Sophos;i="6.04,277,1695711600"; d="scan'208";a="750754256" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 14 Dec 2023 17:30:50 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rDx2N-000Mx1-39; Fri, 15 Dec 2023 01:30:47 +0000 Date: Fri, 15 Dec 2023 09:30:23 +0800 From: kernel test robot To: Tudor Ambarus Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Vinod Koul Subject: drivers/dma/at_hdmac.c:240: warning: Excess struct member 'sg_len' description in 'at_desc' Message-ID: <202312150931.ptq0FuhB-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c7402612e2e61b76177f22e6e7f705adcbecc6fe commit: ac803b56860f6506c55a3c9330007837e3f4edda dmaengine: at_hdmac: Convert driver to use virt-dma date: 1 year, 1 month ago config: arm-defconfig (https://download.01.org/0day-ci/archive/20231215/202312150931.ptq0FuhB-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312150931.ptq0FuhB-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202312150931.ptq0FuhB-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'sglen' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'boundary' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'dst_hole' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'src_hole' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'memset_buffer' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'memset_paddr' not described in 'at_desc' drivers/dma/at_hdmac.c:240: warning: Function parameter or member 'memset_vaddr' not described in 'at_desc' >> drivers/dma/at_hdmac.c:240: warning: Excess struct member 'sg_len' description in 'at_desc' drivers/dma/at_hdmac.c:249: warning: cannot understand function prototype: 'enum atc_status ' drivers/dma/at_hdmac.c:284: warning: Function parameter or member 'cyclic' not described in 'at_dma_chan' drivers/dma/at_hdmac.c:348: warning: Function parameter or member 'regs' not described in 'at_dma' drivers/dma/at_hdmac.c:348: warning: Function parameter or member 'memset_pool' not described in 'at_dma' drivers/dma/at_hdmac.c:348: warning: Excess struct member 'atdma_devtype' description in 'at_dma' drivers/dma/at_hdmac.c:348: warning: Excess struct member 'ch_regs' description in 'at_dma' vim +240 drivers/dma/at_hdmac.c ac803b56860f65 Tudor Ambarus 2022-10-25 216 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 217 /** 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 218 * struct at_desc - software descriptor ac803b56860f65 Tudor Ambarus 2022-10-25 219 * @vd: pointer to the virtual dma descriptor. ac803b56860f65 Tudor Ambarus 2022-10-25 220 * @atchan: pointer to the atmel dma channel. 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 221 * @total_len: total transaction byte count ac803b56860f65 Tudor Ambarus 2022-10-25 222 * @sg_len: number of sg entries. ac803b56860f65 Tudor Ambarus 2022-10-25 223 * @sg: array of sgs. 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 224 */ 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 225 struct at_desc { ac803b56860f65 Tudor Ambarus 2022-10-25 226 struct virt_dma_desc vd; ac803b56860f65 Tudor Ambarus 2022-10-25 227 struct at_dma_chan *atchan; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 228 size_t total_len; ac803b56860f65 Tudor Ambarus 2022-10-25 229 unsigned int sglen; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 230 /* Interleaved data */ 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 231 size_t boundary; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 232 size_t dst_hole; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 233 size_t src_hole; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 234 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 235 /* Memset temporary buffer */ 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 236 bool memset_buffer; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 237 dma_addr_t memset_paddr; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 238 int *memset_vaddr; ac803b56860f65 Tudor Ambarus 2022-10-25 239 struct atdma_sg sg[]; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 @240 }; 5cecadc3e2a4fb Tudor Ambarus 2022-10-25 241 :::::: The code at line 240 was first introduced by commit :::::: 5cecadc3e2a4fb72ab37d9420df0a9e1179b8a3e dmaengine: at_hdmac: Keep register definitions and structures private to at_hdmac.c :::::: TO: Tudor Ambarus :::::: CC: Vinod Koul -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki